Battery Replacement Kit for Fire HD 7 4th Generation (SQ46CW) with Video Installation DVD, Installation Tools, and Extended Life Battery Guaranteed for One Full Year 3500 mAh 3.7V Battery Revives Your Amazon Fire HD 7 4th Gen SQ46CW Tablet. Comes with Video Instruction DVD, Special Installation Tools and long life battery Kit Includes Everything You Need to Revive Your Fire HD 7 2014 4th Gen Amazon Tablet